Expedition 51 Launch
Col. Jack Fischer, the Expedition 51 flight engineer, speaks during the State Commission meeting to approve the Soyuz launch of Expedition 51 to the International Space Station, April 19, 2017, at the Cosmonaut Hotel in Baikonur, Kazakhstan. The Soyuz rocket launched April 20, and carried Fischer and Fyodor Yurchikhin, the Soyuz commander of Roscosmos, into orbit to begin their four and a half month mission on the International Space Station. (NASA photo/Aubrey Gemignani)